Brain Challenger
Life Science Review
Showcase Your Knowledge!
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Select a question
and answer it
correctly to obtain
points to win the
game. Each
correct answer gets
your team 10
points!
Question 1- Which diagram shows how
energy moves from one kind of living
thing to another?
*A Consumer  decomposers  producers*
* B Producers  decomposers  consumers*
* C Producers  consumers  decomposers
* D Decomposers  consumers  producers*
Question 2 – A fishbowl with a goldfish
living in it is not an accurate model of
the fish’s natural habitat because the
fish bowl—
*A only contains one type of animal.*
*B contains water and nutrients for the fish. *
*C has sand at the bottom. *
*D has rocks for the fish to hide under. *
Question 3 – Removing too many small
fish from parts of the ocean where
sharks live will most likely cause sharks
to—
*A die.*
*B move to another area.*
*C start eating plants rather than fish.*
*D change color to hide themselves from predators.*
Question 4 – Why do many birds build
their nests high in trees?
*A Birds lay their eggs in trees.*
*B It is easier for birds to get there.*
*C There is no room for bird nests on the ground.*
*D A nest that is high up helps birds avoid predators.*
Question 5 – The energy that plants
use to live and grow is provided by—
*A the sun.*
*B the rain.*
*C fertilizer.*
*D wind power.*
Question 6 – Birds often lay eggs and
then cover the eggs by sitting on them
because this—
*A protects the eggs from sunlight.*
*B hides the eggs from predators.*
*C keeps them warm to help them hatch.*
*D makes more room for the bird to sleep in the nest.*
Question 7 – A sandhill crane typically
lives in a shortgrass prairie or a marsh
and eats plants, insects, fruit, and
worms. A bird like the sandhill crane
would have the hardest time hunting in
an environment that is mostly—
*A snowy and cold.*
*B rocky and warm.*
*C sandy and wet.*
*D rainy and hot.*
Question 8 – All of the following are
adaptations of plants EXCEPT—
*A sharp spines.*
*B photosynthesis.*
*C fragrant flowers.*
*D specialized root systems.*
Question 9 – A camel has large padded
feet so that its feet do not sink in or
get burned on the hot sand. These
adaptations would be most useful in
the—
*A desert.*
*B swamp.*
*C grassland.*
*D mountains.*
Question 10 – The elephant has many
veins in its ears. Flapping its ears
cools the blood flowing through these
veins. This adaptation would be an
advantage in a climate that is very—
*A windy.*
*B rainy.*
*C cool.*
*D hot.*
Question 11 – The ability of an animal
to blend into its environment is known
as—
*A metamorphosis.*
*B hibernation.*
*C migration.*
*D camouflage.*
Question 12 – From observing the
body structure of a giraffe, what
would most likely be its primary source
of food?
*A Grass*
*B Fish*
*C Leaves*
*D Gazelles*
Question 13 – A crocodile is often
mistaken as a dead log floating in the
water. In what type of environment
would a crocodile most likely live?
*A Desert*
*B Wetlands*
*C Ocean*
*D Tundra*
Question 14 –Why is it necessary for
female frogs to lay hundreds of eggs in
order for its species to survive?
*A All of the eggs hatch and cause overcrowding.*
*B The water is too dirty for many of the frogs to survive.*
*C Many of the tadpoles are eaten before reaching adulthood.*
*D Many female frogs are eaten before they can lay eggs.*
Question 15 – Many animals have
colored skin or fur that helps them
blend into their environments. What
might happen to a deer that was born
an albino (all white) without its natural
camouflage?
*A It would be smaller than the other deer.*
*B It would live longer than the other deer.*
*C It would be ignored by all the predators.*
*D It have a more difficult time surviving.*
Question 16 – What food would a bird
with a strong, sharp, and long beak
most likely eat?
*A Seeds and Nuts*
*B Nectar from flowers*
*C Fish *
*D Small mammals*
Question 17 – Pigeons naturally nest in
high places that are protected from
wind and rain. If all of the trees in a
pigeon’s environment were cut down,
where might the pigeon build her nest?
*A Under tall bridges*
*B In a shrub or bush*
*C In tall grasses*
*D On top of a rock pile*
Question 18 – Which of the following
characteristics would NOT be an
advantage in a hot climate?
*A Long tail*
*B Strong beak*
*C Layers of fat*
*D Sharp claws*
Question 19 – The intertidal zone of the
ocean is where the beach and the water
meet. When the tide is high, the beach is
under water. When the tide is low, the
beach is out of the water. The organisms
that live on this part of the beach have the
ability to do all of the following EXCEPT—
*A survive the crashing waves.*
*B find food for themselves.*
*C live in moist sand.*
*D swim for long distances.*
Question 20 – Coral reefs serve as
home to many salt-water creatures.
How might disturbing the coral reef
affect the underwater ecosystem?
*A The number of salt-water creatures may increase.*
*B The creatures could lose shelter and food supply.*
*C The coral may grow too large for fish to live there.*
*D The coral reef would move to another location.*
Question 21 – If many frogs were
removed from a pond ecosystem, which
of the following might happen?
*A All of the fish in the pond would die.*
*B The insect population would increase.*
*C There would be less water in the pond.*
*D The plants in the pond could not survive.*
Question 22 – Which of the following
organisms is a producer?
*A Water lilies*
*B Dragonflies*
*C Striped bass*
*D Mallard ducks*
Question 23 – Which of the following
do BOTH plants and animals need in
order to survive?
*A Water*
*B Soil*
*C Oxygen*
*D Carbon dioxide*
Question 24 – How are plant and animal
life cycles similar?
*A Plants and animals both develop in stages.*
*B Each life cycle begins with a hard outer shell.*
*C Each type of organisms grows toward sunlight.*
*D Oxygen is required at every level of development.*
Question 25 – Which part of a rabbit
helps protect it from predators?
*A Its stong muscles for running away *
*B Its dark color which allows it to hide*
*C Its poisonous bite that kills animals*
*D ability to shoot out a bad-smelling liquid *
Question 26 – The sparse plant life on
the tundra is often buried beneath
snow. Still, the tundra is home to many
herbivores and carnivores. Carnivores
on the tundra would compete for—
*A space.*
*B meat.*
*C plants.*
*D oxygen.*
Question 27 – Which of the following
statements best describes an habitat
or biome?
*A A region where animals live without plant life*
*B A region that contains animals that have adapted*
*C A region that has many plants and a few animals*
*D A region with a distinct climate and many plants and animals*
Question 28 – An oil spill occurring in
ocean waters might cause all of the
following EXCEPT the organisms there—
*A may perish (die).*
*B may become ill.*
*C may grow larger.*
*D may be covered in oil.*
Question 29 – In an aquarium, a pump
is used to circulate oxygen through the
water for the fish. What might
happen if the pump on the aquarium
stopped working?
*A The fish might die of starvation.*
*B The fish might lay many eggs.*
*C The fish might die from lack of oxygen.*
*D The fish might need more food to eat.*
Question 30 – Many fungi thrive, or
grow well, in warm, moist climates. In
which of the following places would you
most likely find fungi growing
abundantly?
*A A rocky mountain top*
*B A tropical rain forest*
*C A hot, dry desert*
*D On the ocean floor*
Question 31 – What basic need do
frogs meet when they catch flies with
their tongues?
*A Shelter*
*B Food*
*C Water*
*D Air*
Question 32 – A student examined the trunk
of a tree that had been cut down. The
distance between the second and third rings
of the tree was much greater than the
distance between the other rings. One
conclusion might be that—
*A ring patterns do not give information about tree growth.*
*B tree rings can not tell you anything about trees.*
*C the distance between trees rings should be the same.*
*D the tree was able to grow more quickly that year.*
Question 33 – Which of the following
organisms would best complete this
partial food chain?
Grass  ??  Robin  Fox
*A Cricket*
*B Lion*
*C Strawberry*
*D Beaver*
Question 34 – What adaptation do
giraffes have to ensure that they have
food to eat on the crowded African
savannah?
*A Thin legs*
*B Large teeth*
*C Long tongues*
*D Camouflaging skin*
Question 35 – A palm tree would have
a hard time surviving in an environment
that is—
*A cold and dark*
*B warm and sunny*
*C warm and rainy*
*D hot and rainy*
Question 36 – What is wrong with the
following food chain?
Sun  Herbivore  Carnivore  Producer
*A Carnivore should come before Herbivore.*
*B Producer should be between Herbivore and Carnivore. *
*C Producer should come before Sun. *
*D The sun gives energy to Producers first.*
Question 37 – What type of organisms
change dead organisms into nutrients
that plants can use?
*A decomposers*
*B Pine trees*
*C Algae*
*D Producers*
Question 38 – Why do most plants grow
best during the spring and early
summer months?
*A Plants grow better when there’s more daylight.*
*B Plants grow better only in hot weather. *
*C Plants grow better when there’s more rain.*
*D Plants grow better during warmer, rainy days.*
Question 39 – Which of the following is
an example of a learned behavior?
*A A dog drinking water*
*B A polar bear walking*
*C A horse jumping fences*
*D A turtle laying eggs*
Question 40 – Which of the following is
a true statement about gas exchange in
plants and/or animals?
*A Animals give off oxygen and take in carbon dioxide from
plants.*
*B Plants take in carbon dioxide from animals and give
off oxygen.*
*C Plants take in sugar and give off food for animals. *
*D Animals take in oxygen and give off nitrogen for plants. *
Question 41 – Plants get the energy
they need to make food from—
*A Oxygen*
*B Sunlight*
*C Water*
*D Nitrogen*
Question 42 – Why do some birds fly
south in the winter?
*A To get their exercise*
*B To find a mate*
*C To keep warm*
*D To find a nest*
Question 43 – What adaptation did the
beaver inherit so that it could get wood
to build its home?
*A Strong front teeth*
*B Brown, thick fur*
*C Little, pointed ears*
*D Flat, padded feet*
Question 44 – When trees are cut
down and not replanted, it can lead to
global warming. Global warming is the
result of—
*A trees being burned up*
*B the sun’s rays being trapped in the atmosphere*
*C the land heating up*
*D the oceans heating up*
Question 45 – To investigate life forms
in pond water, you would use a—
*A telescope*
*B calculator*
*C microscope*
*D triple-beam balance*
Question 46 – Which of the following
organisms is most likely to compete
with a largemouth bass for resources?
*A Tadpoles*
*B Seaweed*
*C Coyote*
*D Trout*
Question 47 – Which of the following
correctly shows the life cycle of a pine
tree?
*A Seed Seedling  Tree  Cone*
*B Seed  Seedling  Cone  Tree*
*C Tree  Seedling  Cone  Seed*
*D Cone  Seedling  Seed  Tree*
Question 48 – Flowers help bees by
producing nectar; bees help flowers
by—
*A using flowers as a landing pad*
*B practicing flying around the flowers*
*C spreading the flower’s pollen from place to place*
*D stinging people to keep them away from the flowers*
Question 49 – A characteristic of a
wolf that is an adaptation for its life
as a predator is its—
*A bushy fur*
*B long tail*
*C loud howl*
*D good vision*
Question 50 – Pill bugs can often be
found under rocks and rotting logs.
When exposed to light, they
immediately try to find a dark place to
hide. This reaction by the pill bugs
and example of—
*A migration*
*B instinctive behavior*
*C learned behavior*
*D feeding behavior*
Question 51 – If two trees in a yard
are parent and offspring, it must be
true that both trees—
*A have leaves that are the same shape*
*B have the same number of flowers*
*C produce the same amount of fruit*
*D are exactly the same height*
Question 52 – A cattle rancher has 3
separate fields where cattle can graze at
his ranch. Each spring he moves the cattle
to a different field. What is the MOST
important reason for the rancher to move
the cattle each year?
*A The grass has a chance to grow back.*
*B The manure can be collected.*
*C The cattle get exercise when moving from field to field.*
*D The fields cannot be properly irrigated when the cattle are
present.*
Question 53 – Approximately how long
is the beetle’s back leg?
*A 1 cm*
*B 3 cm*
*C 4 cm*
*D 7 cm*
Question 54 – Birds come in a variety
of colors, shapes, and sizes. What
usually determines the color, shape,
and size of a bird?
*A The time of year that it was born*
*B The type of food that the bird eats*
*C The bird’s migratory patterns*
*D What the bird inherited from its parents*
Question 55 – One function of a plant’s
leaves is to—
*A protect the plant*
*B take in food for the plant*
*C remove waste products*
*D create food for the plant from sunight*
Question 56 – Which of the following is
a consumer?
*A Grain*
*B Rabbit*
*C Vegetable*
*D Tree*
Question 57 – What is the main
function of a parrot’s clawed feet?
*A To make noise*
*B To protect itself*
*C To hang on to trees*
*D To find a mate*
Question 58 – Which characteristic is
inherited rather than learned?
*A Telling a story*
*B Saying the Pledge of Allegiance*
*C Riding a bicycle*
*D Having blue eyes*
Question 59 – Which of the following
behaviors is an example of an animal
adapting to a change in the
environment?
*A A squirrel climbing a tree*
*B A bird migrating south*
*C A frog eating an insect*
*D A rabbit feeding its young*
Question 60 – Which two organisms
below are most likely to compete for
resources in a habitat?
*A Deer and butterflies*
*B Owls and bacteria*
*C Goldfish and rabbits*
*D Grass and strawberry plants*
Question 61 – Which of the following is
a physical feature that can be passed
from parent to offspring?
*A Sharp beak*
*B Loose tooth*
*C Walking*
*D Talking*
Question 62 – What is the main
function of a fruit?
*A To attract insects*
*B To be eaten by an animal*
*C To store extra water*
*D To produce food for the plant*
Question 63 – Look at the bird’s foot
pictured below. This type of foot is
BEST adapted for—
*A running*
*B grasping tree limbs*
*C swimming*
*D running*
Question 64 – This environment is very
hot in the day and cool at night.
There is little rainfall and strong wind
storms can occur. Which of these
characteristics would help a plant
survive in this environment?
*A The ability to store water*
*B Broad thick leaves*
*C A tall trunk*
*D Thick bark*
Question 65 – In which of the following
ecosystems would the animal pictured
below MOST likely live?
*A A wetland*
*B A dry grassland*
*C A snowy mountain*
*D An evergreen forest*
Question 66 – An area that receives
less than 10 cm of rain in a year is a—
*A desert*
*B rain forest*
*C Deciduous forest*
*D grassland*
Question 67 – Which part of a food
web recycles matter by breaking it
down into simple nutrients?
*A Producer*
*B Consumer*
*C Decomposer*
*D Sunlight*
Question 68 – Which of the following
adaptations helps protect some plants
from being eaten by animals?
*A Their large leaves*
*B Their pretty flowers*
*C Their sharp thorns*
*D Their short stems*
Question 69 – Tropical rain forest have more plant
growth than any other type of environment. This
may be because rain forests get more rain than
other environments. What is another reasonable
scientific explanation for rain forest having the
most plant growth?
*A Temperatures are warm all year long in the rain forest.*
*B People do not cut down trees in the rain forest.*
*C The leaves high in the rain forest canopy absorb most
of the sunlight. *
*D Many birds and insects in the rain forest eat plants. *
Question 70 – To a brook trout, a
stream would be its—
*A niche*
*B habitat*
*C community*
*D population*
Question 71 – A wasp beetle is
mimicing what part of an actual wasp?
*A Shape of eyes*
*B Presence of wings*
*C Location of antennae*
*D its color and body shape*
Question 72 – A strip of land is
cleared of trees and bushes to make
space for a power line. How might this
impact the birds living in the area?
*A The birds’ natural enemies will be eliminated.*
*B There will be less food and shelter for the birds*
*C The rate of erosion will decrease.*
*D Weather conditions may change.*
Question 73 – Which of the following is
a MAIN function of a plant’s roots?
*A Making seeds*
*B Producing pollen*
*C Absorbing water*
*D Storing chlorophyll*
Question 74 – The eyespots on some
butterflies’ wings allow them to—
*A stay warm*
*B find nectar-filled flowers*
*C fly away quickly*
*D frighten or confuse enemies*
Question 75 – The kangaroo rat is able
to get all of the water it needs
through its food and, therefore never
needs to drink liquids. This animal has
adapted to survive in which biome?
*A Forest*
*B Tundra*
*C Desert*
*D Grassland*
Question 76 – Humans, rabbits, snails,
mushrooms, and cows are all—
*A carnivores*
*B consumers*
*C herbivores*
*D producers*
Question 77 – Which of these has the
greatest influence over how big a baby
elephant will grow?
*A The size of the parent elephants*
*B The amount of oxygen in the air*
*C The size of the trees in the jungle*
*D The type of grass on the plains*
Question 78 – The Osprey, also known
as the fish hawk, lives in Texas
marshes and swamps. What physical
characteristic of an Osprey would help
in catching fish?
*A Small eyes*
*B Long talons (claws)*
*C Large wings*
*D Brown feathers*
Question 79 – All birds of prey are—
*A carnivores*
*B peacocks*
*C nocturnal*
*D water fowl*
Question 80 – Green plants are
important to animals because the
plants—
*A consume food and give off oxygen.*
*B consume food and give off carbon dioxide. *
*C produce food and give off oxygen.*
*D produce food and give off carbon dioxide.*
Jolly Good!
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points!!
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answer????
You don’t get ANY points!!!
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